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KnovaKNOVA — A free reading app with curriculum-aligned passages on History & Science for Grades 3-8

Matter and Its Interactions Reading Passages

KNOVA - A free reading app with curriculum-aligned passages on History & Science

Reading Results

The Freezing Point of Water - reading educational content
The Freezing Point of Water
This science reading passage, titled 'The Freezing Point of Water', introduces students to a key physical science concep...
MS-PS1-1RI.6.3RI.7.1
The Melting Point of Aluminum - reading educational content
The Melting Point of Aluminum
This science reading passage, 'The Melting Point of Aluminum,' introduces middle school students to the physical propert...
5-PS1MS-PS1-4RI.6.3RI.7.1
Do Protons and Electrons Have the Same Mass? - reading educational content
Do Protons and Electrons Have the Same Mass?
This reading passage, 'Do Protons and Electrons Have the Same Mass?', helps middle school students explore the massive d...
MS-PS1HS-PS1RI.6.3RI.7.1
How Many Neutrons Does Hydrogen Have? - reading educational content
How Many Neutrons Does Hydrogen Have?
This reading passage, 'How Many Neutrons Does Hydrogen Have?', introduces middle school students to atomic structure usi...
MS-PS1HS-PS1RI.6.3RI.7.1
The Melting Point of Copper - reading educational content
The Melting Point of Copper
This reading passage, 'The Melting Point of Copper,' introduces middle school students to an important physical property...
5-PS1MS-PS1-4RI.6.3RI.7.1
Freezing Point Depression - reading educational content
Freezing Point Depression
This passage, 'Freezing Point Depression,' introduces students to the physical science concept of how adding substances ...
5-PS1MS-PS1-4RI.6.3RI.7.1
The Boiling Point of Water - reading educational content
The Boiling Point of Water
This passage, 'The Boiling Point of Water,' introduces students to the physical property of boiling point through one of...
5-PS1MS-PS1-4RI.6.3RI.7.1
The Mass of a Proton - reading educational content
The Mass of a Proton
This reading passage, 'The Mass of a Proton,' introduces middle school students to one of the smallest yet most importan...
MS-PS1HS-PS1RI.6.3RI.7.1
What Charge Does a Neutron Have? - reading educational content
What Charge Does a Neutron Have?
This middle school science passage, 'What Charge Does a Neutron Have?', teaches students about one of the key subatomic ...
MS-PS1HS-PS1RI.6.3RI.7.1
What Is the Charge of a Proton? - reading educational content
What Is the Charge of a Proton?
This reading passage, 'What Is the Charge of a Proton?', introduces middle school students to the concept of electric ch...
MS-PS1HS-PS1RI.6.3RI.7.1
The Melting Point of Steel - reading educational content
The Melting Point of Steel
This engaging science passage, 'The Melting Point of Steel,' explains a key physical property of steel—its melting point...
5-PS1MS-PS1-4RI.6.3RI.7.1
What Is Thermal Contraction? - reading educational content
What Is Thermal Contraction?
This middle school science passage introduces the concept of thermal contraction, aligned with NGSS standard MS-PS1-4. I...
MS-PS3-44-PS3-34-PS3-2
Sublimation: The Solid-to-Gas Magic - reading educational content
Sublimation: The Solid-to-Gas Magic
This engaging NGSS-aligned reading passage explores the science of sublimation, a unique phase change where a solid turn...
MS-PS3-44-PS3-34-PS3-2
Is Sublimation Endothermic or Exothermic? - reading educational content
Is Sublimation Endothermic or Exothermic?
This NGSS-aligned science passage for middle school explains the thermodynamic nature of sublimation, showing how a soli...
MS-PS1-4HS-PS1
How Many Valence Electrons Does Oxygen Have? - reading educational content
How Many Valence Electrons Does Oxygen Have?
This NGSS-aligned science reading passage teaches middle school students about the number of valence electrons in oxygen...
MS-PS1-2MS-PS1-4
How Many Valence Electrons Does Chlorine Have? - reading educational content
How Many Valence Electrons Does Chlorine Have?
This NGSS-aligned science reading passage explains how many valence electrons chlorine has and why that makes it such a ...
MS-PS1-2MS-PS1-4
The Density of Water - reading educational content
The Density of Water
"This NGSS-aligned science passage explains the density of water in a way that is clear and engaging for middle school s...
MS-PS1-2
What Is Vapor Pressure? - reading educational content
What Is Vapor Pressure?
This NGSS-aligned science passage explains the concept of vapor pressure in an age-appropriate, engaging way for middle ...
MS-PS1-4MS-LS1-2
What is an Ionic Bond? - reading educational content
What is an Ionic Bond?
This science reading passage provides a clear and engaging explanation of ionic bonds for a middle school audience. It d...
How to name ionic compounds - reading educational content
How to name ionic compounds
"This science passage, aligned with NGSS standards, provides a comprehensive explanation of how to name ionic compounds....
What are Valence Electrons - reading educational content
What are Valence Electrons
This science reading passage for middle school students delves into the concept of valence electrons, the outermost elec...
What is Radioactivity - reading educational content
What is Radioactivity
This 300-350 word science reading passage provides a comprehensive overview of radioactivity for middle school students ...
What is Radioactive Decay - reading educational content
What is Radioactive Decay
"This comprehensive middle school science passage defines radioactive decay as the process by which unstable atomic nucl...
Acetic Acid Lewis Structure - reading educational content
Acetic Acid Lewis Structure
"This learning module provides a comprehensive overview of the Lewis structure of acetic acid (CH₃COOH) for middle schoo...
What causes Acid rain? - reading educational content
What causes Acid rain?
"This comprehensive reading passage for middle school students delves into the causes and effects of acid rain. Aligned ...
How Antiacids Work in Your Body - reading educational content
How Antiacids Work in Your Body
"This science reading passage explains how antacids work in the human body by using the principles of acid-base neutrali...
What is Freezing Point Depression - reading educational content
What is Freezing Point Depression
This passage, 'Freezing Point Depression,' introduces students to the physical science concept of how adding substances ...
5-PS1MS-PS1-4RI.6.3RI.7.1
Slow Change: Rusting and Tarnishing - reading educational content
Slow Change: Rusting and Tarnishing
This NGSS-aligned reading passage introduces Grade 4-5 students to the science of slow changes in metals, focusing on ru...
Rapid Change: Boiling - reading educational content
Rapid Change: Boiling
This engaging Grade 4-5 science passage explores 'Rapid Change: Boiling', aligning with NGSS standards for understanding...
Liquid to Solid: Freezing - reading educational content
Liquid to Solid: Freezing
This science passage, aligned to NGSS standards for Grade 4-5, introduces students to the process of freezing. Readers w...
Physical Properties of Matter - reading educational content
Physical Properties of Matter
This comprehensive reading passage introduces grades 6-8 students to the concept of physical properties of matter, perfe...
MS-PS1-1
Chemical Properties of Matter - reading educational content
Chemical Properties of Matter
This engaging middle school science passage explores the chemical properties of matter, focusing on how these properties...
MS-PS1-2
Solids, Liquids, and Gases - reading educational content
Solids, Liquids, and Gases
This comprehensive middle school science passage explains the scientific concepts behind the three common states of matt...
MS-PS1-4
Behavior of Gases - reading educational content
Behavior of Gases
This comprehensive reading passage explores the behavior of gases for middle school students, aligned with NGSS standard...
MS-PS1-4
Changes of State Overview - reading educational content
Changes of State Overview
This informational science passage for grades 6-8 provides a comprehensive overview of changes of state, or phase change...
MS-PS1-4
Physical Changes: Freezing - reading educational content
Physical Changes: Freezing
This comprehensive science passage for grades 6-8 delves into the process of freezing—a key physical change where liquid...
MS-PS1-4
Physical Changes: Melting - reading educational content
Physical Changes: Melting
This comprehensive science passage for grades 6-8 introduces the concept of melting as a physical change, explaining how...
MS-PS1-4
Physical Changes: Boiling - reading educational content
Physical Changes: Boiling
This comprehensive middle school science passage explores the concept of boiling as a physical change, aligned with NGSS...
MS-PS1-4
Physical Changes: Evaporation - reading educational content
Physical Changes: Evaporation
This middle school science passage examines the process of evaporation, a fundamental physical change where a liquid tur...
MS-PS1-4
Physical Changes: Condensation - reading educational content
Physical Changes: Condensation
This middle school science passage explores the process of condensation, the physical change where a gas becomes a liqui...
MS-PS1-4
Physical Changes: Sublimation - reading educational content
Physical Changes: Sublimation
This educational passage for grades 6-8 explores the science of sublimation—a physical change where a solid transforms d...
MS-PS1-4
Physical vs. Chemical Changes - reading educational content
Physical vs. Chemical Changes
This engaging science reading passage is designed for grades 6-8 and aligns with NGSS standards MS-PS1-2 and MS-PS1-5. S...
MS-PS1-2MS-PS1-5
Chemical Reactions - reading educational content
Chemical Reactions
This engaging middle school science passage introduces students to the fundamentals of chemical reactions, focusing on t...
MS-PS1-2MS-PS1-5
Signs of Chemical Change - reading educational content
Signs of Chemical Change
This comprehensive passage for grades 6-8 explores the key signs that indicate a chemical change, such as color change, ...
MS-PS1-2
Physical Changes: Deposition - reading educational content
Physical Changes: Deposition
This middle school science passage explores the concept of deposition, a type of physical change where matter transition...
MS-PS1-4
Conservation of Mass in Reactions - reading educational content
Conservation of Mass in Reactions
This science reading passage for grades 6-8 dives into the concept of conservation of mass during chemical reactions, em...
MS-PS1-5
Mixtures and Pure Substances - reading educational content
Mixtures and Pure Substances
This middle school science passage provides an in-depth exploration of mixtures and pure substances, directly aligned to...
MS-PS1-1
Types of Mixtures - reading educational content
Types of Mixtures
This comprehensive science passage for grades 6-8 introduces students to the concept of mixtures, focusing on distinguis...
MS-PS1-1
Solutions, Suspensions, and Colloids - reading educational content
Solutions, Suspensions, and Colloids
This comprehensive science passage explores the differences between solutions, suspensions, and colloids, focusing on ho...
MS-PS1-1
Scientific Laws - reading educational content
Scientific Laws
This comprehensive middle school science passage introduces students to scientific laws, focusing on how they describe c...
MS-PS2-4MS-PS1-5MS-ETS1-4
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